Examples with MaterializedRow com.facebook.presto.testing.MaterializedRow used on opensource projects

Example 91 with MaterializedRow

use of com.facebook.presto.testing.MaterializedRow in project presto by prestodb.

the class MetricComparator method getActualValues.

private static List<OptionalDouble> getActualValues(List<Metric> metrics, String query, QueryRunner runner) {
    String statsQuery = "SELECT " + metrics.stream().map(Metric::getComputingAggregationSql).collect(joining(",")) + " FROM (" + query + ")";
    try {
        MaterializedRow actualValuesRow = getOnlyElement(runner.execute(statsQuery).getMaterializedRows());
        ImmutableList.Builder<OptionalDouble> actualValues = ImmutableList.builder();
        for (int i = 0; i < metrics.size(); ++i) {
            actualValues.add(metrics.get(i).getValueFromAggregationQueryResult(actualValuesRow.getField(i)));
        }
        return actualValues.build();
    } catch (Exception e) {
        throw new RuntimeException(format("Failed to execute query to compute actual values: %s", statsQuery), e);
    }
}